Design: Blocked RCT, with 3 levels, and randomization done at level 1 (individual level).
Models: random treatment effects.
\(\bar{n}\) = 100
\(\bar{n}\) = 75
\(\bar{n}\) = 50
\(R^2_1 =\) 0.6, 0.6, 0.6
\(R^2_2 =\) 0.6, 0.6, 0.6
\(R^2_3 =\) 0.6, 0.6, 0.6
\(R^2_1 =\) 0, 0, 0 \(R^2_2 =\) 0, 0, 0 \(R^2_3 =\) 0, 0, 0
\(\rho =\) 0.2
\(\rho =\) 0.8
ATE (ES) = 0.125, 0, 0
\(\text{ICC}_2\) = 0.7, 0.7, 0.7
\(\text{ICC}_3\) = 0.7, 0.7, 0.7
\(\omega_2\) = 0.8, \(\omega_3\) = 0.1
\(\omega_2\) = 0.1, \(\omega_3\) = 0.8
\(\omega_2\) = 0.8, \(\omega_3\) = 0.8